feat: troppa roba davvero

backend/app/services/mitmproxy/runtime_validation.py

@@ -0,0 +1,21 @@
+from app.core.config import settings
+
+
+class ReservedProxyPortError(ValueError):
+    pass
+
+
+def backend_port() -> int:
+    return settings.API_PORT
+
+
+def reserved_proxy_port_message(proxy_port: int) -> str:
+    return (
+        f"Proxy port {proxy_port} is reserved for the backend API "
+        "and cannot be used by mitmdump."
+    )
+
+
+def ensure_proxy_port_not_reserved(proxy_port: int) -> None:
+    if proxy_port == backend_port():
+        raise ReservedProxyPortError(reserved_proxy_port_message(proxy_port))